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195295087 = 13106114159
BaseRepresentation
bin10111010001111…
…11011101101111
3111121111000111101
423220333131233
5344443420322
631213503531
74560660301
oct1350773557
9447430441
10195295087
11a026a0a9
12554a1ba7
13315ca930
141bd19971
151222a327
hexba3f76f

195295087 has 8 divisors (see below), whose sum is σ = 210530880. Its totient is φ = 180089760.

The previous prime is 195295081. The next prime is 195295109. The reversal of 195295087 is 780592591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195295087 - 27 = 195294959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195295081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6714 + ... + 20872.

It is an arithmetic number, because the mean of its divisors is an integer number (26316360).

Almost surely, 2195295087 is an apocalyptic number.

195295087 is a deficient number, since it is larger than the sum of its proper divisors (15235793).

195295087 is a wasteful number, since it uses less digits than its factorization.

195295087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15233.

The product of its (nonzero) digits is 226800, while the sum is 46.

The square root of 195295087 is about 13974.8018590605. The cubic root of 195295087 is about 580.1813612387.

The spelling of 195295087 in words is "one hundred ninety-five million, two hundred ninety-five thousand, eighty-seven".

Divisors: 1 13 1061 13793 14159 184067 15022699 195295087